Audiograbber
Our favorite CD Ripper (Freeware) - Do not forget Lame-Plugin!

Mp3/Tag Studio
For us the most powerful MP3-Tag editor

dBpoweramp Music Converter (dMC)
In our point of view the easiest

 

MP3Gain
MP3Gain analyzes and adjusts mp3 files so that they have the same volume (open source)